107 lines
4.2 KiB
C
107 lines
4.2 KiB
C
/* SPDX-FileCopyrightText: 2023 Blender Foundation
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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/** \file
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* \ingroup bke
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*/
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struct ID;
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struct ImageUser;
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struct Main;
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struct bNode;
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struct bNodeLink;
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struct bNodeSocket;
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struct bNodeTree;
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Tag tree as changed without providing any more information about what has changed exactly.
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* The update process has to assume that everything may have changed.
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*
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* Using one of the methods below to tag the tree after changes is preferred when possible.
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*/
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void BKE_ntree_update_tag_all(struct bNodeTree *ntree);
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/**
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* More specialized tag functions that may result in a more efficient update.
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*/
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void BKE_ntree_update_tag_node_property(struct bNodeTree *ntree, struct bNode *node);
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void BKE_ntree_update_tag_node_new(struct bNodeTree *ntree, struct bNode *node);
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void BKE_ntree_update_tag_node_removed(struct bNodeTree *ntree);
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void BKE_ntree_update_tag_node_reordered(struct bNodeTree *ntree);
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void BKE_ntree_update_tag_node_mute(struct bNodeTree *ntree, struct bNode *node);
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void BKE_ntree_update_tag_node_internal_link(struct bNodeTree *ntree, struct bNode *node);
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void BKE_ntree_update_tag_socket_property(struct bNodeTree *ntree, struct bNodeSocket *socket);
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void BKE_ntree_update_tag_socket_new(struct bNodeTree *ntree, struct bNodeSocket *socket);
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void BKE_ntree_update_tag_socket_type(struct bNodeTree *ntree, struct bNodeSocket *socket);
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void BKE_ntree_update_tag_socket_availability(struct bNodeTree *ntree, struct bNodeSocket *socket);
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void BKE_ntree_update_tag_socket_removed(struct bNodeTree *ntree);
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void BKE_ntree_update_tag_link_changed(struct bNodeTree *ntree);
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void BKE_ntree_update_tag_link_removed(struct bNodeTree *ntree);
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void BKE_ntree_update_tag_link_added(struct bNodeTree *ntree, struct bNodeLink *link);
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void BKE_ntree_update_tag_link_mute(struct bNodeTree *ntree, struct bNodeLink *link);
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/** Used when the a new output node becomes active and therefore changes the output. */
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void BKE_ntree_update_tag_active_output_changed(struct bNodeTree *ntree);
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/** Used after file loading when run-time data on the tree has not been initialized yet. */
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void BKE_ntree_update_tag_missing_runtime_data(struct bNodeTree *ntree);
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/** Used when the interface sockets/values have changed. */
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void BKE_ntree_update_tag_interface(struct bNodeTree *ntree);
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/** Used when change parent node. */
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void BKE_ntree_update_tag_parent_change(struct bNodeTree *ntree, struct bNode *node);
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/** Used when an id data block changed that might be used by nodes that need to be updated. */
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void BKE_ntree_update_tag_id_changed(struct Main *bmain, struct ID *id);
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/** Used when an image user is updated that is used by any part of the node tree. */
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void BKE_ntree_update_tag_image_user_changed(struct bNodeTree *ntree, struct ImageUser *iuser);
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typedef struct NodeTreeUpdateExtraParams {
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/**
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* Data passed into the callbacks.
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*/
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void *user_data;
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/**
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* Called for every tree that has been changed during the update. This can be used to send
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* notifiers to trigger redraws or depsgraph updates.
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*/
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void (*tree_changed_fn)(struct ID *, struct bNodeTree *, void *user_data);
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/**
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* Called for every tree whose output value may have changed based on the provided update tags.
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* This can be used to tag the depsgraph if necessary.
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*/
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void (*tree_output_changed_fn)(struct ID *, struct bNodeTree *, void *user_data);
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} NodeTreeUpdateExtraParams;
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/**
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* Updates #bmain based on changes to node trees.
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*/
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void BKE_ntree_update_main(struct Main *bmain, struct NodeTreeUpdateExtraParams *params);
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/**
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* Same as #BKE_ntree_update_main, but will first only look at the provided tree and only looks
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* at #bmain when something relevant for other data-blocks changed. This avoids scanning #bmain in
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* many cases.
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*
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* If #bmain is null, only the provided tree is updated. This should only be used in very rare
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* cases because it may result it incorrectly synced data in DNA.
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*
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* If #tree is null, this is the same as calling #BKE_ntree_update_main.
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*/
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void BKE_ntree_update_main_tree(struct Main *bmain,
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struct bNodeTree *ntree,
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struct NodeTreeUpdateExtraParams *params);
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#ifdef __cplusplus
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}
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#endif
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